* [bug report] NVMe RDMA OPA: kmemleak observed with connect/reset_controller/disconnect
[not found] <716376633.15258107.1583333480546.JavaMail.zimbra@redhat.com>
@ 2020-03-04 15:08 ` Yi Zhang
2020-03-05 20:57 ` Sagi Grimberg
0 siblings, 1 reply; 3+ messages in thread
From: Yi Zhang @ 2020-03-04 15:08 UTC (permalink / raw)
To: linux-nvme; +Cc: kbusch, Sagi Grimberg
Hello
I would like to report a kmemleak issue found on NVMe RDMA OPA environment, here is the log, let me know if you need more info
unreferenced object 0xffffc90006639000 (size 12288):
comm "kworker/u128:0", pid 8, jiffies 4295777598 (age 589.085s)
hex dump (first 32 bytes):
4d 00 00 00 4d 00 00 00 00 c0 08 ac 8b 88 ff ff M...M...........
00 00 00 00 80 00 00 00 00 00 00 00 10 00 00 00 ................
backtrace:
[<0000000035a3d625>] __vmalloc_node_range+0x361/0x720
[<000000002942ce4f>] __vmalloc_node.constprop.30+0x63/0xb0
[<00000000f228f784>] rvt_create_cq+0x98a/0xd80 [rdmavt]
[<00000000b84aec66>] __ib_alloc_cq_user+0x281/0x1260 [ib_core]
[<00000000ef3764be>] nvme_rdma_cm_handler+0xdb7/0x1b80 [nvme_rdma]
[<00000000936b401c>] cma_cm_event_handler+0xb7/0x550 [rdma_cm]
[<00000000d9c40b7b>] addr_handler+0x195/0x310 [rdma_cm]
[<00000000c7398a03>] process_one_req+0xdd/0x600 [ib_core]
[<000000004d29675b>] process_one_work+0x920/0x1740
[<00000000efedcdb5>] worker_thread+0x87/0xb40
[<000000005688b340>] kthread+0x327/0x3f0
[<0000000043a168d6>] ret_from_fork+0x3a/0x50
unreferenced object 0xffffc90008581000 (size 36864):
comm "kworker/u128:0", pid 8, jiffies 4295778075 (age 588.608s)
hex dump (first 32 bytes):
84 00 00 00 84 00 00 00 40 01 36 5d 84 88 ff ff ........@.6]....
00 00 00 00 00 00 00 00 00 00 00 00 40 04 00 00 ............@...
backtrace:
[<0000000035a3d625>] __vmalloc_node_range+0x361/0x720
[<000000002942ce4f>] __vmalloc_node.constprop.30+0x63/0xb0
[<00000000f228f784>] rvt_create_cq+0x98a/0xd80 [rdmavt]
[<00000000b84aec66>] __ib_alloc_cq_user+0x281/0x1260 [ib_core]
[<00000000ef3764be>] nvme_rdma_cm_handler+0xdb7/0x1b80 [nvme_rdma]
[<00000000936b401c>] cma_cm_event_handler+0xb7/0x550 [rdma_cm]
[<00000000d9c40b7b>] addr_handler+0x195/0x310 [rdma_cm]
[<00000000c7398a03>] process_one_req+0xdd/0x600 [ib_core]
[<000000004d29675b>] process_one_work+0x920/0x1740
[<00000000efedcdb5>] worker_thread+0x87/0xb40
[<000000005688b340>] kthread+0x327/0x3f0
[<0000000043a168d6>] ret_from_fork+0x3a/0x50
Best Regards,
Yi Zhang
_______________________________________________
linux-nvme mailing list
linux-nvme@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-nvme
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [bug report] NVMe RDMA OPA: kmemleak observed with connect/reset_controller/disconnect
2020-03-04 15:08 ` [bug report] NVMe RDMA OPA: kmemleak observed with connect/reset_controller/disconnect Yi Zhang
@ 2020-03-05 20:57 ` Sagi Grimberg
2020-03-06 15:03 ` Dennis Dalessandro
0 siblings, 1 reply; 3+ messages in thread
From: Sagi Grimberg @ 2020-03-05 20:57 UTC (permalink / raw)
To: Yi Zhang, linux-nvme; +Cc: kbusch, linux-rdma
CCing Linux-rdma as I don't think anyone in nvme will
have a clue to whats going on here...
On 3/4/20 7:08 AM, Yi Zhang wrote:
> Hello
>
> I would like to report a kmemleak issue found on NVMe RDMA OPA environment, here is the log, let me know if you need more info
>
> unreferenced object 0xffffc90006639000 (size 12288):
> comm "kworker/u128:0", pid 8, jiffies 4295777598 (age 589.085s)
> hex dump (first 32 bytes):
> 4d 00 00 00 4d 00 00 00 00 c0 08 ac 8b 88 ff ff M...M...........
> 00 00 00 00 80 00 00 00 00 00 00 00 10 00 00 00 ................
> backtrace:
> [<0000000035a3d625>] __vmalloc_node_range+0x361/0x720
> [<000000002942ce4f>] __vmalloc_node.constprop.30+0x63/0xb0
> [<00000000f228f784>] rvt_create_cq+0x98a/0xd80 [rdmavt]
> [<00000000b84aec66>] __ib_alloc_cq_user+0x281/0x1260 [ib_core]
> [<00000000ef3764be>] nvme_rdma_cm_handler+0xdb7/0x1b80 [nvme_rdma]
> [<00000000936b401c>] cma_cm_event_handler+0xb7/0x550 [rdma_cm]
> [<00000000d9c40b7b>] addr_handler+0x195/0x310 [rdma_cm]
> [<00000000c7398a03>] process_one_req+0xdd/0x600 [ib_core]
> [<000000004d29675b>] process_one_work+0x920/0x1740
> [<00000000efedcdb5>] worker_thread+0x87/0xb40
> [<000000005688b340>] kthread+0x327/0x3f0
> [<0000000043a168d6>] ret_from_fork+0x3a/0x50
> unreferenced object 0xffffc90008581000 (size 36864):
> comm "kworker/u128:0", pid 8, jiffies 4295778075 (age 588.608s)
> hex dump (first 32 bytes):
> 84 00 00 00 84 00 00 00 40 01 36 5d 84 88 ff ff ........@.6]....
> 00 00 00 00 00 00 00 00 00 00 00 00 40 04 00 00 ............@...
> backtrace:
> [<0000000035a3d625>] __vmalloc_node_range+0x361/0x720
> [<000000002942ce4f>] __vmalloc_node.constprop.30+0x63/0xb0
> [<00000000f228f784>] rvt_create_cq+0x98a/0xd80 [rdmavt]
> [<00000000b84aec66>] __ib_alloc_cq_user+0x281/0x1260 [ib_core]
> [<00000000ef3764be>] nvme_rdma_cm_handler+0xdb7/0x1b80 [nvme_rdma]
> [<00000000936b401c>] cma_cm_event_handler+0xb7/0x550 [rdma_cm]
> [<00000000d9c40b7b>] addr_handler+0x195/0x310 [rdma_cm]
> [<00000000c7398a03>] process_one_req+0xdd/0x600 [ib_core]
> [<000000004d29675b>] process_one_work+0x920/0x1740
> [<00000000efedcdb5>] worker_thread+0x87/0xb40
> [<000000005688b340>] kthread+0x327/0x3f0
> [<0000000043a168d6>] ret_from_fork+0x3a/0x50
>
>
> Best Regards,
> Yi Zhang
>
>
_______________________________________________
linux-nvme mailing list
linux-nvme@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-nvme
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [bug report] NVMe RDMA OPA: kmemleak observed with connect/reset_controller/disconnect
2020-03-05 20:57 ` Sagi Grimberg
@ 2020-03-06 15:03 ` Dennis Dalessandro
0 siblings, 0 replies; 3+ messages in thread
From: Dennis Dalessandro @ 2020-03-06 15:03 UTC (permalink / raw)
To: Sagi Grimberg, Yi Zhang, linux-nvme; +Cc: kbusch, linux-rdma
On 3/5/2020 3:57 PM, Sagi Grimberg wrote:
> CCing Linux-rdma as I don't think anyone in nvme will
> have a clue to whats going on here...
>
We will take a look at it. Thanks for forwarding!
-Denny
_______________________________________________
linux-nvme mailing list
linux-nvme@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-nvme
^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-03-04 15:08 ` [bug report] NVMe RDMA OPA: kmemleak observed with connect/reset_controller/disconnect Yi Zhang
2020-03-05 20:57 ` Sagi Grimberg
2020-03-06 15:03 ` Dennis Dalessandro
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